Register jakarta.json.spi.JsonProvider service provider

`META-INF/services/jakarta.json.spi.JsonProvider` is accessed as a
resource by SmallRyeHealthReporter. Registering the service provider
removes warnings related to the access when using
`-H:ThrowMissingRegistrationErrors=`

extensions/jsonp/deployment/src/main/java/io/quarkus/jsonp/deployment/JsonpProcessor.java

@@ -5,16 +5,20 @@
 import io.quarkus.deployment.annotations.BuildProducer;
 import io.quarkus.deployment.annotations.BuildStep;
 import io.quarkus.deployment.builditem.FeatureBuildItem;
-import io.quarkus.deployment.builditem.nativeimage.NativeImageResourceBundleBuildItem;
 import io.quarkus.deployment.builditem.nativeimage.ReflectiveClassBuildItem;
+import io.quarkus.deployment.builditem.nativeimage.ServiceProviderBuildItem;
 
 public class JsonpProcessor {
 
     @BuildStep
     void build(BuildProducer<FeatureBuildItem> feature,
             BuildProducer<ReflectiveClassBuildItem> reflectiveClass,
-            BuildProducer<NativeImageResourceBundleBuildItem> resourceBundle) {
+            BuildProducer<ServiceProviderBuildItem> serviceProviders) {
         reflectiveClass.produce(
                 ReflectiveClassBuildItem.builder(JsonProviderImpl.class.getName()).build());
+
+        // Register jakarta.json.spi.JsonProvider provider which is accessed by SmallRyeHealthReporter
+        serviceProviders.produce(new ServiceProviderBuildItem("jakarta.json.spi.JsonProvider"));
     }
+
 }